AsterSNMP …ok, the name needs work.

Our Network Alert System The Goal The Process Design Considerations Question Period

The Goal Where did the idea come from?  Using Asterisk for more than voice Tying in network devices  Traffic Engineering  Network Notification  Device Management

The Process The Players…  SNMP  Text To Speech  Asterisk  Perl

Simple Network Management Protocol What is SNMP? How is it used?  The 5 directives: Set Get GetResponse GetNext Traps MIB and OID SNMP in Practice  SSH SSH  boobytrap.log

Simple Network Management Protocol Object Navigator

Text To Speech What is Text To Speech? Models of Speech Synthesis  Diphone  HMM Text To Speech in Practice  Festival vs. Cepstral FestivalCepstral

Asterisk Converged Telephony Platform What is Asterisk? Scripting Capabilities The Dialplan The Database Asterisk in Practice  Sending  Getting the Call  Calling the Administrator  Changing the Status of an Interface  SSH SSH

Perl – The Glue What is Perl? Log files Parsing (Regular Expressions)Regular Expressions Sub routines Perl in Practice  Seeing the debugging output

Design Considerations Cepstral being a demo ( sox and trim ) Contacting Administrator (database vs snmpget) Multiple Notifications ( script triggered each time ) …Ideas?

Question Period Questions and Closing Remarks

Fin!